Keep the four sugar pumpkins at 68 to 72°F for 20 minutes so the skin isn't fridge-cold and brittle before you start cutting into the firm shells. Then cut each lid at a slight inward angle and scoop out the seeds, leaving walls about 3/4 inch thick. For Halloween Pumpkin Carving, use short controlled sawing strokes for the eyes and mouth and keep your supporting hand clear. Carve all four in 12 to 15 minutes. Next, check the cut edges. They should look clean and moist, the shells should feel firm and each face should have slightly uneven handmade lines. If you shave the walls thinner than 1/2 inch, they can buckle later. Stop once the openings are clear. Thick walls matter because they support the filling during roasting.

Heat the oven to 400°F. Brush the inside and cut edges of all four pumpkins with 1 tablespoon extra-virgin olive oil, then season with 1/2 teaspoon kosher salt and 1/4 teaspoon coarse black pepper. Set the lids beside the shells and roast for 25 to 30 minutes. Rotate the baking sheet once at minute 15 so the back pumpkins don't soften faster than the front. Meanwhile, watch the flesh around the top edge turn a deeper orange while the carved faces stay defined and the walls give slightly when pressed. (I tested 425°F first. The smallest face softened too fast, so 400°F gives better control.) Go past 35 minutes and the shells may slump. Roast at 400°F because fast heat softens the flesh before the carved faces collapse.

Set a 12-inch skillet over medium-high heat, about 7 on a 10-dial, and add the remaining 1 tablespoon extra-virgin olive oil. Add 1 pound 93% lean ground turkey and the diced yellow onion. Break the turkey into rough 1/2-inch crumbles and cook for 7 to 8 minutes, then stir in the minced garlic plus the remaining salt and pepper for 60 seconds. Then check the turkey with an instant-read thermometer. It must reach 165°F, the onion should look translucent and the garlic should smell toasted without turning dark. You shouldn't see pink turkey or a puddle of watery juices. Cook much past 10 minutes and the lean meat dries out. Brown at medium-high heat because rapid evaporation builds flavor without steaming the turkey.

Lower the skillet to medium heat, about 5 on a 10-dial. For Halloween Pumpkin Carving, add 2 cups cooked wild rice blend, 2 cups baby spinach, 1/3 cup dried cranberries and 1 teaspoon dried thyme to the browned turkey. Fold from the edges toward the center in broad turns for 3 to 4 minutes so the spinach wilts without crushing the rice. Keep the mixture loose rather than packing it down. Next, look for spinach leaves that have softened to dark green while the cranberries turn slightly glossy and the rice stays distinct. The filling should look moist but not wet. If you keep cooking past 5 minutes, the spinach dulls and the rice dries around the edges. Fold gently because intact rice keeps the filling light instead of pasty.

Reduce the oven to 375°F. Spoon the hot turkey and wild rice mixture into the four roasted pumpkin shells without pressing it tight, then divide 1 cup shredded sharp white cheddar over the tops. Return the filled pumpkins to the oven for 10 to 12 minutes. For Halloween Pumpkin Carving, keep the lids beside the pumpkins so steam can escape instead of softening the carved edges. Finally, the cheddar should melt into uneven pools with a few light amber spots while the filling stays visibly textured and the pumpkin faces remain upright. Pull them by minute 12. Bake longer than 15 minutes and the shells can sag under the filling. Finish at 375°F because gentler heat melts the cheddar without over-softening the roasted pumpkin.